-GL_ARB_gl_spirv on i965, iris.
-GL_ARB_spirv_extensions on i965, iris.
-GL_EXT_demote_to_helper_invocation on iris, i965.
-OpenGL 4.6 on i965, iris.
-VK_ANDROID_external_memory_android_hardware_buffer on RADV.
-VK_KHR_shader_clock on Intel, RADV.
-VK_KHR_shader_float_controls on Intel.
-VK_KHR_spirv_1_4 on Intel.
-VK_EXT_shader_subgroup_ballot on Intel.
-VK_EXT_shader_subgroup_vote on Intel.
-VK_EXT_texel_buffer_alignment on RADV.
+GL 4.5 on llvmpipe
+GL_NV_half_float
+EGL_KHR_swap_buffers_with_damage on X11 (DRI3)